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at might be used in a simple queuing system? How many can you name? Have you ever been in a situation where FCFS was not used? Why was it implemented?...
What are the possible queue disciplines that might be used in a simple queuing system? How many can you name? Have you ever been in a situation where FCFS was not used? Why was it implemented? Did it work? There is a fairness argument for FCFS, are other rules less fair?